critic                  Pierre - Goldwin correlogram
fac                     factor "year"
lookat                  Looking at the correlogram
sit                     Cereal aphids in Rennes
sit2                    Sitobion with replicates
time                    Fictitious daily temperatures
time3                   mean daily temperature data in Rennes (France)
wy                      Series of fictitious observations
wy2                     Series of fictitious observations
